//determine which echo to call
public echoDistData getEchoDistData(Vector3 playerPos, Vector3 playerFront, Vector3 playerLeft)
{
float threshhold = 0.01f;
int player_y_idx = 0, player_x_idx = 0;
//get which index of gridPos() player is in
for (int i = 1; i <= rows; i++)
{
for (int j = 1; j <= columns; ++j)
{
if ((gridPositions [i * (columns + 2) + j] - playerPos).magnitude <= threshhold)
{
player_y_idx = i; player_x_idx = j;
//UnityEngine.Debug.Log ("idx is");
//UnityEngine.Debug.Log (new Vector2 (j, i));
break;
}
}
}
//setup the return value
echoDistData result = new echoDistData();
Vector2 gridIdx = new Vector2(player_x_idx, player_y_idx);
Vector2 gridTemp;
gridTemp = _getDist(gridIdx, playerFront);
result.front = (int)(gridTemp - gridIdx).magnitude;
result.fType = getJunctionType(gridTemp - new Vector2(playerFront.x, playerFront.y), gridIdx);
gridTemp = _getDist(gridIdx, -playerFront);
result.back = (int)(gridTemp - gridIdx).magnitude;
result.bType = getJunctionType(gridTemp + new Vector2(playerFront.x, playerFront.y), gridIdx);
//_debug_print_wallidx ();
//print ("LEFT!");
gridTemp = _getDist(gridIdx, playerLeft);
result.left = (int)(gridTemp - gridIdx).magnitude;
result.lType = getJunctionType(gridTemp - new Vector2(playerLeft.x, playerLeft.y), gridIdx);
gridTemp = _getDist(gridIdx, -playerLeft);
result.right = (int)(gridTemp - gridIdx).magnitude;
result.rType = getJunctionType(gridTemp + new Vector2(playerLeft.x, playerLeft.y), gridIdx);
return(result);
}
//determine which echo to call
public echoDistData getEchoDistData(Vector3 playerPos, Vector3 playerFront, Vector3 playerLeft)
{
//setup the return value
echoDistData result = new echoDistData();
Vector2 gridIdx = get_idx_from_pos(playerPos);
Vector2 gridTemp;
Vector2 exitIdx = get_idx_from_pos(exitPos);
bool check_exit = true;
result.exitpos = 0;
gridTemp = _getDist(gridIdx, playerFront);
result.front = (int)(gridTemp - gridIdx).magnitude;
result.fType = getJunctionType(gridTemp - new Vector2(playerFront.x, playerFront.y), gridIdx);
//0: no exit, 1:left, 2:right, 3:front, 4:back
if (check_exit)
{
Vector2 searchIdx = gridIdx;
while ((searchIdx.x > 0) && (searchIdx.x < columns + 1) && (searchIdx.y > 0) && (searchIdx.y < rows + 1))
{
if ((_idx_is_equal(searchIdx, exitIdx)) && ((int)(searchIdx - gridIdx).magnitude) <= result.front)
{
result.exitpos = 3;
check_exit = false;
break;
}
else
{
searchIdx += new Vector2(playerFront.x, playerFront.y);
}
}
}
gridTemp = _getDist(gridIdx, -playerFront);
result.back = (int)(gridTemp - gridIdx).magnitude;
result.bType = getJunctionType(gridTemp + new Vector2(playerFront.x, playerFront.y), gridIdx);
if (check_exit)
{
Vector2 searchIdx = gridIdx;
while ((searchIdx.x > 0) && (searchIdx.x < columns + 1) && (searchIdx.y > 0) && (searchIdx.y < rows + 1))
{
if ((_idx_is_equal(searchIdx, exitIdx)) && ((int)(searchIdx - gridIdx).magnitude) <= result.back)
{
result.exitpos = 4;
check_exit = false;
break;
}
else
{
searchIdx -= new Vector2(playerFront.x, playerFront.y);
}
}
}
//_debug_print_wallidx ();
//print ("LEFT!");
gridTemp = _getDist(gridIdx, playerLeft);
result.left = (int)(gridTemp - gridIdx).magnitude;
result.lType = getJunctionType(gridTemp - new Vector2(playerLeft.x, playerLeft.y), gridIdx);
if (check_exit)
{
Vector2 searchIdx = gridIdx;
while ((searchIdx.x > 0) && (searchIdx.x < columns + 1) && (searchIdx.y > 0) && (searchIdx.y < rows + 1))
{
if ((_idx_is_equal(searchIdx, exitIdx)) && ((int)(searchIdx - gridIdx).magnitude) <= result.left)
{
result.exitpos = 1;
check_exit = false;
break;
}
else
{
searchIdx += new Vector2(playerLeft.x, playerLeft.y);
}
}
}
gridTemp = _getDist(gridIdx, -playerLeft);
result.right = (int)(gridTemp - gridIdx).magnitude;
result.rType = getJunctionType(gridTemp + new Vector2(playerLeft.x, playerLeft.y), gridIdx);
if (check_exit)
{
Vector2 searchIdx = gridIdx;
while ((searchIdx.x > 0) && (searchIdx.x < columns + 1) && (searchIdx.y > 0) && (searchIdx.y < rows + 1))
{
if ((_idx_is_equal(searchIdx, exitIdx)) && ((int)(searchIdx - gridIdx).magnitude) <= result.right)
{
result.exitpos = 2;
check_exit = false;
break;
}
else
{
searchIdx -= new Vector2(playerLeft.x, playerLeft.y);
}
}
}
result.updateDistances();
return(result);
}